Following a wave of Ukrainian UAV strikes on June 1, Russian forces in occupied Crimea have significantly increased security measures at key military airfields, including those in Saki, Dzhankoi, and Gvardiyske. According to the partisan movement ATESH, reported via Telegram and cited by UNN, the Kremlin has responded to the latest Crimea attacks by stepping up air defense patrols and revising their overall security protocols.

Partisan sources report that inspections of vehicles, especially trucks crossing into Crimea from the Kherson region, have intensified. Additionally, Russian air defense units are now conducting continuous perimeter patrols at strategic airbases. Soldiers reportedly complain of fatigue and overwork due to a shortage of personnel amid growing operational demands.
ATESH, a military partisan network, collects intelligence on Russian troop movements both in occupied territories and within Russia itself, relaying it to the Ukrainian Defense Forces. Notably, the group recently sabotaged a relay cabinet on the Volnovakha–Mariupol railway line, disrupting train control systems on a route built by the occupying forces.

Meanwhile, explosions were reported in Kyiv, with air defense systems actively responding, as confirmed by the Kyiv City State Administration. Prior alerts from Ukraine’s Air Force Command had warned of an incoming Kremlin drone attack targeting the capital and surrounding regions.